CA2400061C - Padlock arrangement - Google Patents

Padlock arrangement Download PDF

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Publication number
CA2400061C
CA2400061C CA 2400061 CA2400061A CA2400061C CA 2400061 C CA2400061 C CA 2400061C CA 2400061 CA2400061 CA 2400061 CA 2400061 A CA2400061 A CA 2400061A CA 2400061 C CA2400061 C CA 2400061C
Authority
CA
Canada
Prior art keywords
fixing unit
cylinder lock
lock
cylinder
padlock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA 2400061
Other languages
French (fr)
Other versions
CA2400061A1 (en
Inventor
Raimo Lavikainen
Jarno Mertanen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Abloy Oy
Original Assignee
Abloy Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FI20000457A priority Critical patent/FI114498B/en
Priority to FI20000457 priority
Application filed by Abloy Oy filed Critical Abloy Oy
Priority to PCT/FI2001/000198 priority patent/WO2001065036A1/en
Publication of CA2400061A1 publication Critical patent/CA2400061A1/en
Application granted granted Critical
Publication of CA2400061C publication Critical patent/CA2400061C/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/0056Locks with adjustable or exchangeable lock parts
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00Padlocks; Details thereof
    • E05B67/06Shackles; Arrangement of the shackle
    • E05B67/22Padlocks with sliding shackles, with or without rotary or pivotal movement
    • E05B67/24Padlocks with sliding shackles, with or without rotary or pivotal movement with built- in cylinder locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/08Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
    • E05B9/082Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing with concealed screws
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/08Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
    • E05B9/084Fastening of lock cylinders, plugs or cores
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/40Portable
    • Y10T70/413Padlocks
    • Y10T70/437Key-controlled
    • Y10T70/446Rigid shackle
    • Y10T70/452Sliding
    • Y10T70/459Both legs engaged
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/40Portable
    • Y10T70/413Padlocks
    • Y10T70/487Parts, accessories, attachments and adjuncts
    • Y10T70/489Housings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/40Portable
    • Y10T70/413Padlocks
    • Y10T70/487Parts, accessories, attachments and adjuncts
    • Y10T70/493Protectors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7638Cylinder and plug assembly
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7915Tampering prevention or attack defeating
    • Y10T70/7921Armoring

Abstract

A padlock including a lock body (1), a lock shackle (2) movable between locking and releasing positions, and, inside the lock body, bolt means (5) for securing and releasing the shackle (2) in its locking position, and a cylinder lock mechanism (3) for controlling the bolt means (5). The cylinder lock mechanism (3) is replaceably mounted in a separate casing-like fixing unit (6), which is detachably fixed to the lock body (1). The fixing unit (6) has in-ner guiding surfaces (6c), which correspond to the outer shape of the cylin-der lock mechanism (3,3',3"), to provide both radial and axial support for the cylinder lock mechanism (3,3',3").

Description

PADLOCK ARRANGEMENT

Technical Field This invention relates to a padlock of the kind comprising a lock body, a lock shackle movable between locking and releasing positions, and, inside the lock body, bolt means for securing and releasing the shackle in its locking position and a cylinder lock mechanism for controlling the bolt means.

Background of the Invention Padlocks are produced in different sizes and forms and can be equipped with different kinds of lock shackles depending on their intended use and required strength properties. Generally each lock manufacturer produces its own lock bodies and lock mechanisms designed for particular uses. Different manufac-turers have cylinder locks of different sizes and forms depending on the tradi-tions of lock manufacturers and the practice and norms of different marketing areas. Because of these factors it has not generally been possible to use, for a given design of lock body, different cylinder lock mechanisms providing a series of padlocks of similar appearance but having different intended uses or different geographical areas of use. Instead each manufacturer generally pro-duces a different padlock body for each cylinder lock type.
Padlocks of the kind referred to and having replaceable lock mechanisms are known from US-A-3835675 and US-A-4545223. Such known padlocks can be operated with different keys by changing the opening combination of the lock mechanism, for example by replacing the whole cylinder lock with an-other similar type.

Disclosure of the Invention One aim the present invention is to simplify the production and assembly of padlocks so that the same padlock body can be used for different kinds of cylinder lock types. In this way norms and practices of different countries can be taken account of in a better and simpler manner than before whilst allowing the benefits of mass-production to be achieved. It is also an aim of the invention to provide a padlock having improved burglarproof features.

-10 According to one aspect of the present invention there is provided a padlock comprising a lock body, a lock shackle movable between locking and releasing positions, and, inside the lock body, bolt means for securing and releasing the shackle in its locking position, and a cylinder lock mechanism for controlling the bolt means, wherein the cylinder lock mechanism is replaceably mounted in a separate casing-like fixing unit which is detachably fixed to the lock body, and wherein the fixing unit has inner guiding surfaces, which correspond to the outer shape of at least two cylinder lock mechanisms of different type, substantially completely covering the outer shapes of the cylinder lock to provide both radial and axial support for the cylinder lock mechanism.

With such a design of padlock it is possible to make use of the same lock body in different cylinder lock types. Additionally, due to its casing-like construction, the fixing unit protects the cylinder lock mechanism better than other known releasable cover elements.

2a It is possible to choose according to the requirement of the padlock the mate-rial from which the fixing unit is made. Advantageously the material chosen for the fixing unit will be different from the material of the lock body and/or the cylinder lock mechanism. For example the fixing unit may be made from chilled steel. In this the cylinder lock mechanism itself, or particularly its cyl-inder and other locking device parts, can be fabricated from cheaper material, without sacrificing the burglarproof properties of the padlock. The same ap-.10 plies also to the padlock body itself which can be made, for example, from brass if the intended use does not require the padlock to be made of steel.

If the guiding surfaces of the fixing unit are formed so that they guide two or several different kinds of cylinder lock mechanisms, the same fixing unit can be used correspondingly for different kinds of lock cylinder mechanisms. In this manner the amount of different stock items can be reduced.

The fixing unit is most favourably formed so that its dimension in a plane perpendicular to the axial direction of the cylinder lock mechanism is essen-tially greater than its dimension in this axial direction. In this case it can be equipped in practically all issued cylinder lock types, for example with tum-bler locks or so called DIN-norm locks and despite of that the basic form of the padlock can be held quite flat.
The fixing unit is able to support different types of lock mechanism. Thus many different types of padlock, each having the same lock body, can be created. Also by providing different fixing units, whose inner guiding surfaces are different and which support different lock mechanisms, even more pad-lock types can be created for the same lock body.

Design variation possibilities are also enhanced if the cylinder chamber of the lock body is substantially longer than the fixing unit in the axial direction of the cylinder lock mechanism and is formed so as to accommodate different sizes and forms of cylinder lock mechanisms and fixing units.

According to a second aspect of the invention there is provided a padlock arrangement comprising a lock body, a lock shackle movable between locking and releasing positions, bolt means for securing and releasing the shackle in its locking position, and at least two cylinder lock mechanisms selectively replaceably positionable in the lock body for controlling the bolt means, the cylinder lock mechanisms being replaceably supported in at least one casing-like fixing unit which is detachably fixed to the lock body, wherein the or each fixing unit has inner guiding surfaces, which correspond to the outer shape of at least two cylinder lock mechanisms of different type, substantially completely covering the outer shapes of the cylinder lock mechanisms and wherein the or each fixing unit is intended to provide both radial and axial support for the particular cylinder lock mechanism supported in the fixing unit in each case.

3a Brief Description of the Drawings Embodiments of the invention will now be described, by way of example only, with particular reference to the accompanying drawings, in which:

Fig. 1 is a sectional view of one embodiment of a padlock accord-ing to the invention, Fig. 2 is a sectional view of another embodiment of a padlock ac-cording to the invention, and WO 01/65036 CA 02400061 2002-08-13 pCT/FI01/00198 Fig. 3 is a perspective view illustrating a partly assembled padlock arrangement comprising a lock body, a fixing unit and two different lock mechanisms which can be selectively mounted in the lock body to create different types of padlock.

Modes for Carrying out the Invention Figures 1 shows a padlock having a lock body 1 in which is received a cylin-der lock mechanism 3 and a generally U-shaped lock shackle 2 having a pair of different length legs. The legs are received in bores formed in the lock body 1 and the lock shackle 2 is movable between a locked position (shown in Figure 1) and a free or releasing position. In the locked position of the shackle 2, bolt means 5, in the form of spherical locking members, are re-ceived in notches formed in the legs of the shackle. In the releasing position (not shown), the shorter leg is moved out of its bore in the lock body 1 and the bolt means engages in an annular recess formed in the longer leg of the shackle. In this releasing position the shackle can be turned about the longi-tudinal axis of the longer shackle leg so that the longer shackle leg turns within the bore of the lock body in which it is received. A turnable torsion device 4 turned by or under the control of the lock mechanism 3 controls the operation of the bolt means 5 in a known manner.

The cylinder lock mechanism 3 is mounted within, and retained fast within, the lock body 1 using a fixing unit 6 which also covers the cylinder lock mechanism 3 in its installed position within the lock body. The fixing unit 6 has a key opening 6a for a key to operate the cylinder lock mechanism 3 and an opening 6b for fastening the fixing unit 6 to the lock body 1 with a screw threaded bolt 7 or the like. The bolt 7 can be accessed for securing or re-leasing the fixing unit to or from the lock body 1 by means of a tool (not shown) insertable into an opening 1 b of the lock body. The bolt 7 can only be accessed after the cylinder lock mechanism 3 is opened with the key of the lock and the lock shackle 2 moved out of its locking position, e.g. into its releasing position so that the longer leg 2a of the shackle 2 does not prevent access to the bolt.

As can be seen from Figures 1 and 2, the padlock has a key cylinder 1 a 5 which is able to receive and accommodate different sizes, forms and lengths of cylinder lock mechanisms 3. The different lengths of the cylinder in the axial direction can be easily accommodated by suitable dimensioning of the torsion device 4. The cylinder lock mechanism 3 remains between the inner surface of the key cylinder 1 a and the inner surface of the fixing unit and ac-cordingly receives its axial direction guidance from these surfaces. The radial direction guidance of the cylinder lock mechanism 3 is accomplished by forming the inner surfaces 6c of the fixing unit 6 suitably for outer forms of each cylinder lock mechanisms 3. How this is achieved in this case where the cylinder lock mechanism is distinctly smaller than the key cylinder 1 a it-self is shown in Figure 2.

Figure 3 illustrates a padlock arrangement for enabling two different cylinder lock mechanisms 3' and 3" to be selectively, replaceably received within the lock body 1 using a single fixing unit 6. In particular the inner surfaces 6c of the fixing unit are so formed that they provide axial and radial support for the selected lock mechanism. As can be seen in Figure 3, the inner surfaces 6c are preferably of generally cylindrical form for receiving correspondingly shaped external surfaces of the cylinder lock mechanisms. Although two lock mechanisms 3' and 3" are shown in the padlock arrangement of Figure 3, it will be appreciated that more than two different lock mechanisms can be provided so that several different padlocks can be created having the same lock body 1.

Because especially in so called tumbler based cylinder locks the dimension of pins' motional direction is greater, it is advantageous for the analogous di-mension A of the fixing unit to be substantially greater than the dimension B
transverse to it (see Figure 3). This secures the applicability of the fixing unit 6 CA 02400061 2002-08-13 pCT/FI01/00198 6 for cylinder lock mechanisms with different operating principles which can be assembled in the same lock body 1.

If necessary the arrangement can advantageously include several different fixing units 6, which differ from each other in the design of their inner sur-faces. This allows lock mechanisms having differently shaped and/or dimen-sioned outer surface to be mounted in different fixing units but with the same lock body 1.

The invention is not limited to the embodiments shown but several modifica-tions of the invention are reasonable within the scope of the attached claims.

Claims (8)

1. A padlock comprising a lock body, a lock shackle movable between locking and releasing positions, and, inside the lock body, bolt means for securing and releasing the shackle in its locking position, and a cylinder lock mechanism for controlling the bolt means, wherein the cylinder lock mechanism is replaceably mounted in a separate casing-like fixing unit which is detachably fixed to the lock body, and wherein the fixing unit has inner guiding surfaces, which correspond to the outer shape of at least two cylinder lock mechanisms of different type, substantially completely covering the outer shapes of the cylinder lock mechanisms to provide both radial and axial support for the cylinder lock mechanism.
2. The padlock according to claim 1, wherein the fixing unit is fabricated from different material to that of the lock body and/or the cylinder lock mechanism.
3. The padlock according to claim 1 or 2, wherein the fixing unit is made from chilled steel.
4. The padlock according to any one of claims 1 to 3, wherein the fixing unit has a maximum first dimension (A) in a plane perpendicular to an axial direction of the cylinder lock mechanism which is larger than a second dimension (B) perpendicular to the first dimension in the plane.
5. The padlock according to any one of claims 1 to 4, wherein a key cylinder of the lock body is longer in an axial direction of the cylinder lock mechanism than the fixing unit and is formed so that it is possible to install different fixing units made for different sizes and forms of cylinder lock mechanism.
6. A padlock arrangement comprising a lock body, a lock shackle movable between locking and releasing positions, bolt means for securing and releasing the shackle in its locking position, and at least two cylinder lock mechanisms selectively replaceably positionable in the lock body for controlling the bolt means, the cylinder lock mechanisms being replaceably supported in at least one casing-like fixing unit which is detachably fixed to the lock body, wherein the or each fixing unit has inner guiding surfaces, which correspond to the outer shape of at least two cylinder lock mechanisms of different type, substantially completely covering the outer shapes of the cylinder lock mechanisms and wherein the or each fixing unit is intended to provide both radial and axial support for the particular cylinder lock mechanism supported in the fixing unit in each case.
7. The padlock arrangement according to claim 6, wherein the inner guiding surfaces of the or each fixing unit are formed so that they guide different kinds of cylinder lock mechanisms.
8. The padlock according to claim 6 or 7, wherein the padlock comprises different types of fixing units having different inner guiding surfaces.
CA 2400061 2000-02-29 2001-02-27 Padlock arrangement Active CA2400061C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20000457A FI114498B (en) 2000-02-29 2000-02-29 Riippulukkojärjestely
FI20000457 2000-02-29
PCT/FI2001/000198 WO2001065036A1 (en) 2000-02-29 2001-02-27 Padlock arrangement

Publications (2)

Publication Number Publication Date
CA2400061A1 CA2400061A1 (en) 2001-09-07
CA2400061C true CA2400061C (en) 2008-11-18

Family

ID=8557757

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2400061 Active CA2400061C (en) 2000-02-29 2001-02-27 Padlock arrangement

Country Status (9)

Country Link
US (1) US6708533B2 (en)
EP (1) EP1264059B1 (en)
AT (1) AT312987T (en)
AU (1) AU3932601A (en)
CA (1) CA2400061C (en)
DE (1) DE60115864T2 (en)
DK (1) DK1264059T3 (en)
FI (1) FI114498B (en)
WO (1) WO2001065036A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7278283B2 (en) * 2004-04-27 2007-10-09 Abus August Bremicker Soehne Kg Padlock
US20060185404A1 (en) * 2005-02-18 2006-08-24 Hansen Randall C Codeable padlock
US20100031717A1 (en) * 2008-08-11 2010-02-11 Lurie Alan E Interchangable core adapter and method of using same
CN102392565B (en) * 2011-10-28 2013-07-17 金泰祥精密五金(昆山)有限公司 Padlock
US8806905B2 (en) * 2012-04-19 2014-08-19 Master Lock Company Llc Padlock assembly
US8850858B2 (en) * 2012-12-06 2014-10-07 Master Lock Company Llc Lock subassembly

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2834195A (en) 1955-08-31 1958-05-13 American Locker Co Multi-barrel lock
US3800570A (en) * 1972-04-06 1974-04-02 S Kaplan Locking mechanism
US4112715A (en) 1975-09-29 1978-09-12 Klaus W. Gartner Padlock
US4138868A (en) 1977-08-19 1979-02-13 Richards Sr Frederick F Replaceable cylinder padlock
US4132092A (en) * 1978-04-18 1979-01-02 Chicago Lock Co. Protective cover for a handle lock
US4180996A (en) 1978-06-19 1980-01-01 Master Lock Company Padlock cylinder retainer block securing means
IL59705A (en) * 1980-03-25 1982-11-30 Bahry Abraham Padlock
US4290279A (en) * 1980-07-14 1981-09-22 Unican Security Systems, Ltd. Padlock with interchangeable cylinder
US4530223A (en) * 1982-11-01 1985-07-23 Medeco Security Locks, Inc. Guard for key cylinder
US4545223A (en) 1983-02-07 1985-10-08 Oy Wartsila Ab Padlock
SE466022B (en) * 1987-12-22 1991-12-02 Assa Ab Behoer to cylinderlaas
US5186029A (en) * 1991-09-27 1993-02-16 Fort Lock Corporation Padlock
US5174136A (en) * 1991-10-04 1992-12-29 Thwing Randy L Dual function padlock with removable cylinder mechanism
US5233851A (en) 1992-03-30 1993-08-10 Florian David W Housing and adaptor for interchangeable core and insert cylinders
US5572890A (en) * 1994-10-14 1996-11-12 American Lock Company High security lock system including cover plate
US5730008A (en) * 1995-10-11 1998-03-24 Case; Willard L. Snowmobile track lock
US5921116A (en) * 1997-02-26 1999-07-13 Bruce L. Adams Vehicle pedal lock
US6240754B1 (en) * 1999-06-24 2001-06-05 Steven D. Petersen Vehicle security device

Also Published As

Publication number Publication date
FI20000457A (en) 2001-08-29
EP1264059B1 (en) 2005-12-14
WO2001065036A1 (en) 2001-09-07
US20030121295A1 (en) 2003-07-03
FI20000457D0 (en)
US6708533B2 (en) 2004-03-23
AU3932601A (en) 2001-09-12
FI114498B (en) 2004-10-29
DE60115864T2 (en) 2006-07-27
DK1264059T3 (en) 2006-05-08
CA2400061A1 (en) 2001-09-07
EP1264059A1 (en) 2002-12-11
DE60115864D1 (en) 2006-01-19
FI20000457A0 (en) 2000-02-29
AT312987T (en) 2005-12-15
FI114498B1 (en)

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